And he is said to have smoothed things over with Putin, who is looking to join forces in bombing the jihadis.

Now the pair have agreed to work side-by-side to crush ISIS, according to a Downing Street spokesman.

AFP

IN THE CROSSHAIRS: Both sides are bombing ISIS in Syria

“In the present situation a war is the worst what could happen”

Russian PM

He said: "The Prime Minister and president agreed that the UK and Russia should work together, with other international partners, to tackle Daesh and the threat it poses, and on the political process to bring peace to Syria.

"Agreeing that military action alone would not defeat Daesh, both leaders discussed the importance of a political process to deliver peace in Syria and the Prime Minister underlined the need for a government that all the Syrian people can support."

Russian fighter jet shot down by Turkey

Turkish military official says fighter jets shot down 'Russian military plane' after it violated country’s airspace, which Russia denies.

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A warplane crashes in Syria near Turkey's border

As Britain and Russia struck a deal today, Mr Cameron also said he would consider sending British experts to examine the black box from the doomed fighter plane, and offered condolences for the death of the pilot.

Putin's deputy Medvedev spoke about the prospect of war with Turkey on Russian TV today.

He said: "What did 20th-century countries used to do in a similar situation? A war began."

"That was a direct assault on a foreign state," he said. "In the present situation a war is the worst what could happen."

GETTY

WARPATH: Dmitry Medvedev says Turkey had given Russia grounds for war

But Medvedev today said the Kremlin had stepped back from the brink.

"A decision was taken not to give a symmetrical answer to what the Turks had done," he said.